Combinations with Repetition (Balls and Boxes)

Описание к видео Combinations with Repetition (Balls and Boxes)

John solves the equations x + y = 10, x + y + z = 10, x + y + z = a, and x_1 + ... + x_n = a, as an introduction to multichoose (combination with repetition). This video is from our UDEMY combinatorics course and requires some familiarity with combinations. Please note that these problems are equivalent to combinations with repetition. For example: x + y + z = 10 is equivalent to choosing 10 items from three types (x, y, and z) with repetition allowed.

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